Knowledge base Updated 2 November 2026 1 views

Job Demands-Resources Model

A framework holding that every job has demands that cost effort and resources that support goals, and that these operate through two distinct paths: demands drive strain and exhaustion, resources drive motivation and engagement.

Definition

Job demands are aspects of work requiring sustained physical or psychological effort: workload, time pressure, emotional demands, role conflict, poor physical conditions.

Job resources are aspects that help achieve goals, reduce demands, or stimulate growth: autonomy, feedback, social support, supervisory coaching, opportunities for development.

The model's defining claim is the dual process:

A health impairment path, in which chronic demands deplete energy and produce exhaustion and ill health.
A motivational path, in which resources satisfy needs and produce engagement and commitment.

These are separate paths, not two ends of one dimension. That is why an engaging job can still exhaust someone.

History

Developed by Demerouti, Bakker, Nachreiner and Schaufeli in 2001, generalising the earlier Job Demand-Control model, which had been criticised for specifying only two variables and for weak support for its central interaction.

The generalisation was deliberate: any demand and any resource can be substituted, which makes the model applicable to any occupation and is simultaneously its main theoretical weakness.

Theory

Two interactions are proposed beyond the main paths.

Buffering: resources moderate the effect of demands on strain. Autonomy makes a heavy workload less damaging.

Boosting: resources are most motivating when demands are high. Support matters more in a demanding job than in an easy one.

Later versions add personal resources such as self-efficacy and optimism, and job crafting, in which employees change their own demands and resources. Both extensions are popular and both blur the model's original strength, which was that it located the problem in the job.

The challenge-hindrance distinction is an important refinement: demands that are appraised as challenges — workload, responsibility — can increase motivation as well as strain, while hindrance demands — role ambiguity, bureaucratic obstruction, conflict — do not.

Research

The dual-path structure replicates well across occupations and countries, and the model is one of the better-supported frameworks in occupational health psychology.

Evidence is weaker for the buffering interaction, which is inconsistently found. Interaction effects are hard to detect at realistic sample sizes, so absence of evidence here is not strong evidence of absence, but the honest position is that the main effects are well supported and the moderations are not.

Longitudinal evidence supports the demands-to-exhaustion path most robustly, with reverse and reciprocal effects also demonstrated: exhaustion increases perceived demands over time, so the causal story runs both ways.

Applications

Job design, workload management, occupational health surveillance, and the design of interventions.

The practical implication is the one organisations resist: the two paths mean adding resources does not neutralise excessive demands. Wellbeing benefits, mindfulness training and resilience programmes act on personal resources; they do not reduce workload, and the health-impairment path runs regardless.

Where demands cannot be reduced, increasing autonomy and support is the next-best lever and has evidence behind it.

Criticism

It is close to unfalsifiable in its general form. Any variable can be classified as a demand or a resource after the fact, and the model does not say which ones matter in which job.
The buffering hypothesis has inconsistent support.
Self-report on both sides. Demands, resources and outcomes are usually measured by the same person at the same time.
Reverse causation is established, which complicates every cross-sectional finding in the literature.
Personal resources and job crafting shift responsibility to the worker, which is a convenient direction for employers and not obviously supported by the evidence on what changes outcomes.

References

Demerouti, E., et al. (2001). The job demands-resources model of burnout. Journal of Applied Psychology, 86(3), 499-512.
Bakker, A. B., & Demerouti, E. (2017). Job demands-resources theory: Taking stock and looking forward. Journal of Occupational Health Psychology, 22(3), 273-285.
Crawford, E. R., LePine, J. A., & Rich, B. L. (2010). Linking job demands and resources to employee engagement and burnout. Journal of Applied Psychology, 95(5), 834-848.
Schaufeli, W. B., & Taris, T. W. (2014). A critical review of the Job Demands-Resources model: Implications for improving work and health. In G. F. Bauer & O. Hämmig (Eds.), Bridging Occupational, Organizational and Public Health (pp. 43-68). Springer. doi.org/10.1007/978-94-007-5640-3_4

Written for PsychologyOrbit and reviewed before publishing. It is a summary for professionals and students, not clinical guidance, and it is not a substitute for the primary sources listed above.